TDLAS T-1 Next-generation type of Dew Point Moisture Analyzer

Shinyei Technology

Humidity / Moisture Sensing

Tunable Diode Laser Absorption Spectroscopy TDLAS T-1

The measurement principle of TDLAS T-1 is based on the Lambert-Beer law and Shinyei’s new technology. TDLAS T-1 achieves outstanding response and highly reliable accuracy in wide range of dew point.


Highly reliable accuracy besides fast response

Outstanding response suitable for immediate H2O measurement

Built-in pump for gas sampling


5 inches touch panel achieves intuitive and comfortable operation.

5 inches touch panel


Free software included for logging and monitoring on PC.



Fast response by advanced technology.





Measurement range

-70 to 20℃DP (Standard model)

Range of application

5 to 40℃, 35 to 85%rh (no condensation)

Storage environment range

10 to 50℃, 35 to 85%rh or less (no condensation)

Sampling gas temperature range

50℃ or less

Sampling flow rate 0.8 L/min. (typ)
Accuracy ±0.2 ℃DP or ±2 ppm, the larger value applies(< 20℃DP))
±(0.2 x DP / 20)℃DP (≧20℃DP)
Measurement parameter Dew Point (℃DP)
Psychrometric calculation ppmv, ppmw, g/m3, %RH, Pa (water vapor pressure)
External input Temperature sensor Pt100Ω 4-wire
Analog output 4 to 20 mA, 0 to 5 VDC
Digital output RS-232
Alarm PhotoMOC relay
Power supply AC90 to 250V, 50/60 Hz
Consumed Power (Below room temperature) 55 to 70W(typ), 85W(max)
Weight Approx 22 kg


Dew point measurement from -70 to 20 ℃DP / TDLAS T-1-N

  • Confirmation of dry chamber/dry room performance
  • Humidity sensor response standard
  • Water management for industrial furnaces

Calibration and Repair

After maintenance

SHINYEI Tunable Diode Laser Absorption Spectroscopy (TDLAS) T-1 Series are manufactured in Japan and we provide calibration and repair service at our own factory in Japan.
SHINYEI provides calibration service traceable to National Institute of Advanced Industrial Science and Technology (AIST) where standardizes humidity in Japan. Our calibration certificates can be issued with the symbol of Japan Calibration Service System (JCSS) with ILAC MRA.

After maintenance

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